Find flights
When to book
Airlines
FAQs

Cheap flights from Sydney to Phnom Penh

SYD — PNH
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Phnom Penh Pochentong are usually found in July or February, booked 88 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Sydney to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Phnom Penh (PNH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 October 2025.

Popular in

December

Cheapest in

July

Average price

$927
Highest demand for flights based on searches. 20% potential increase in price ($402 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($88 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Best time to book a flight from Sydney to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Phnom Penh

How far ahead should I book a flight from Sydney to Phnom Penh?

Use this chart to determine the optimal time to book a return flight from Sydney to Phnom Penh. Price data was last updated on 17 October 2025.

To ensure you get the cheapest price possible for a flight from Sydney to Phnom Penh, you should look to book at least 88 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Sydney to Phnom Penh?

Currently, May is the cheapest month in which you can book a flight from Sydney to Phnom Penh (average of $630). Flying from Sydney to Phnom Penh in December is currently the most expensive (average of $1,151). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SYD to PNH?

Find hourly flight availability from Sydney to Phnom Penh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 October 2025.

A simple way to save on the total cost of your ticket is to fly from Sydney to Phnom Penh at midday. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Sydney to Phnom Penh?

Use this chart to determine the cheapest time to fly return from Sydney to Phnom Penh. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Sydney to Phnom Penh flight should consider departing on Tuesday at midday when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Phnom Penh

Get insights into the airlines that provide service to Phnom Penh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Phnom Penh. Reviews last updated 24 October 2025.
Read through reviews of airlines operating flights from Sydney to Phnom Penh, such as Singapore Airlines, Cathay Pacific, andVietnam Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,386 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Crew

8.6

Boarding

8.3

Food

7.7

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Singapore Airlines
8.1
Very Good
1,386 reviews
Singapore Airlines
8.1
Very Good
1,386 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Crew

8.6

Boarding

8.3

Food

7.7

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Cathay Pacific
7.6
Good
1,038 reviews
Singapore Airlines
8.1
Very Good
1,386 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Crew

8.6

Boarding

8.3

Food

7.7

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Vietnam Airlines
7.5
Good
207 reviews
Singapore Airlines
8.1
Very Good
1,386 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Crew

8.6

Boarding

8.3

Food

7.7

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
China Southern
7.4
Good
116 reviews
Singapore Airlines
8.1
Very Good
1,386 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Crew

8.6

Boarding

8.3

Food

7.7

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Malaysia Airlines
7.3
Good
278 reviews
Singapore Airlines
8.1
Very Good
1,386 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Crew

8.6

Boarding

8.3

Food

7.7

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Phnom Penh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Sydney to Phnom Penh round-trip?

    Currently priced at $662, XiamenAir will fly you from Sydney to Phnom Penh and back. In addition to XiamenAir, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from China Southern and Malaysia Airlines - these airlines can fly you to your destination from $667 and $691, respectively. XiamenAir is priced at 35% lower than the current average price of a flight leaving 3 months from now.

  • Where are the most common stopover locations when flying from Sydney to Phnom Penh?

    Most of the time, Sydney to Phnom Penh flights that have stopovers will stop in Singapore. Singapore is followed by Hong Kong in terms of the most popular stopover location on flights from Sydney to Phnom Penh. Kuala Lumpur sees the third most stopovers on flights from Sydney to Phnom Penh.

  • What are some popular things to do or see while on a stopover in Singapore?

    Sentosa, Merlion, and Sim Lim Square are currently the most popular points of interest in Singapore at the moment. Sentosa, Merlion, and Sim Lim Square can be visited by traveling about 21.6 km, 16.9 km, and 16.3 km respectively from Singapore Changi. Those landing in Singapore looking to spend some time exploring during their stopover can hire a car for about $135 per day.

  • What are some popular points of interest to see during a stopover in Hong Kong?

    The majority of Hong Kong visitors spend their time at Hong Kong Disneyland, Hong Kong Heritage Discovery Centre, and Hong Kong Zoological and Botanical Gardens. Those on a layover in Hong Kong interested in visiting Hong Kong Disneyland, Hong Kong Heritage Discovery Centre, or Hong Kong Zoological and Botanical Gardens can do so by travelling 12.6 km, 25.8 km, and 24.7 km, respectively from Hong Kong Intl.

  • What are points of interest worth seeing during a stopover in Kuala Lumpur?

    Most Kuala Lumpur visitors opt to spend their time at Petronas Towers, Berjaya Times Square, and National Mosque of Malaysia. Petronas Towers, Berjaya Times Square, and National Mosque of Malaysia can be accessed by travelling approximately 46.6 km, 44.9 km, and 44.8 km, respectively from Kuala Lumpur Intl. Travellers in need of a car in Kuala Lumpur can hire one for about $49 per day.

  • Where are the least popular stopover locations for Sydney to Phnom Penh flights?

    Sydney to Phnom Penh flights that have stopovers will least frequently stop in Guangzhou. Ho Chi Minh City is the second least popular location for stopovers on flights from Sydney to Phnom Penh.

  • Can I find deals for flights from Sydney to Phnom Penh that include hotel bookings?

    Yes. In addition to deals on Sydney to Phnom Penh flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Phnom Penh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Phnom Penh.

  • Can I find deals for business class flights from Sydney to Phnom Penh?

    Yes. Cheapflights offers flight deals from Sydney to Phnom Penh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to Phnom Penh?

    Currently, May is the cheapest month in which you can book a flight from Sydney to Phnom Penh (average of $630). Flying from Sydney to Phnom Penh in December is currently the most expensive (average of $1,151). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Sydney to Phnom Penh on these airlines

Choose from the following airlines for your flight from Sydney to Phnom Penh. Flights are based on user searches made on Cheapflights and were last updated on 24 October 2025.
Singapore Airlines flights from Sydney Kingsford Smith to Phnom Penh Pochentong
Malaysia Airlines flights from Sydney Kingsford Smith to Phnom Penh Pochentong
Vietnam Airlines flights from Sydney Kingsford Smith to Phnom Penh Pochentong

Top 10 airlines flying from Sydney to Phnom Penh

Discover the top 10 airlines that operate flights from Sydney to Phnom Penh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 24 October 2025.
AirlineCheapestAverageFlexibilityOn-time
XiamenAirCheapest$662Average$941FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
China SouthernCheapest$667Average$1,000FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Malaysia AirlinesCheapest$691Average$1,011FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Vietnam AirlinesCheapest$702Average$792FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Singapore AirlinesCheapest$718Average$1,050FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Philippine AirlinesCheapest$750Average$926FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
China EasternCheapest$826Average$968FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Cathay PacificCheapest$940Average$1,270FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Virgin AustraliaCheapest$971Average$1,172FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Thai AirwaysCheapest$1,187Average$1,431FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to Phnom Penh?

Deals for Sydney to Phnom Penh flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Phnom Penh?

Cheapflights helps you find that perfect flight to Phnom Penh from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Sydney to Phnom Penh with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Phnom Penh flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Sydney to Phnom Penh become cheaper?

Of course! You can now track prices for flights from Sydney to Phnom Penh and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.